Friday, October 2, 2009

Re: [Avid-L2] Convergent Nanoflash experiment

Bogdan,

Are you sure about DVCProHD putting more bandwidth onto 24pN P2
than onto 24p tape? My memory is that the motivation for 24pN was
that it allowed P2 to only record the 40 mb/s, thus extending the
recording time on flash cards. I was under the impression that 24pN
on P2 had identical video payload to 24p on tape.

Wilson

On Fri, Oct 2, 2009 at 11:01 AM, Bogdan Grigoresco
<bogdan_grigorescu@yahoo.com> wrote:
2. When recording on tape in 24p, 3:2 pulldown is automatically
added, so the effective bitrate for the flagged frames is only
100/2.5=40Mbit/sec. Just another aggravating factor. P2, on the other
hand, allows you to record 24pN, taking advantage of full codec
bandwidth.


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